require

verb

re·​quire ri-ˈkwī(-ə)r 

required; requiring

transitive verb

1

a

: to claim or ask for by right and authority

… this night your soul is required of you …

—Lk 12:20 (Revised Standard Version)

b

archaic : request

2

a

: to call for as suitable or appropriate

The occasion requires formal dress.

b

: to demand as necessary or essential : have a compelling need for

All living beings require food.

We require your assistance.

The job requires a driver's license.

3

: to impose a compulsion or command on : compel

The law requires that school buses stop at railroad crossings.

4

chiefly British : to feel or be obliged

—used with a following infinitive

… one does not require to be a specialist …

—Elizabeth Bowen

intransitive verb

archaic : ask

Synonyms of require

• need
• want
• take

Choose the Right Synonym for require

demand, claim, require, exact mean to ask or call for something as due or as necessary.

demand implies peremptoriness and insistence and often the right to make requests that are to be regarded as commands.

demanded payment of the debt

claim implies a demand for the delivery or concession of something due as one's own or one's right.

claimed the right to manage his own affairs

require suggests the imperativeness that arises from inner necessity, compulsion of law or regulation, or the exigencies of the situation.

the patient requires constant attention

exact implies not only demanding but getting what one demands.

exacts absolute loyalty

Examples of require in a Sentence

the toy requires four batteries, which are not included

Recent Examples on the Web

The deal would require Ukraine to give up its eastern Donbas region and Crimea, and swear off NATO membership, according to a draft shared publicly by a Ukrainian opposition politician and confirmed by a White House official. —Kerry Breen, CBS News, 22 Nov. 2025

Goldblum played the Wizard in the two-part film adaptation, even though accepting the part required him to face his childhood fear of witches. —Emily Blackwood, PEOPLE, 22 Nov. 2025

But his report concluded that more proof is required that the prior high growth rate can be regained amid a difficult economic backdrop. —Krysta Escobar, CNBC, 22 Nov. 2025

Several cargo containers involved in the blaze carry hazardous materials, requiring firefighters to wear protective suits and oxygen masks, Van Gerpen said. —Hanna Park, CNN Money, 22 Nov. 2025

Word History

Etymology

Middle English requeren, from Anglo-French requere, from Vulgar Latin *requaerere to seek for, need, require, alteration of Latin requirere, from re- + quaerere to seek, ask

First Known Use

14th century, in the meaning defined at sense 1b

Rhymes for require

• briar
• brier
• buyer
• choir
• crier
• cryer
• drier
• dryer
• eyer
• flier
• flyer
• friar

Kids Definition

require

verb

re·​quire ri-ˈkwī(ə)r 

required; requiring

1

: to have a need for

a game that requires skill

2

: order entry 1 sense 2a

the law requires that everyone pay the tax